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1110-0001-08-A
Power-on Reset configuration
MD Bit
Value
Description
MD4
0
1
The LCD driver inverse the LCD segment display on/off
The LCD driver display segment on/off normally
MD3
0
1
External serial LCD driver enable. In this mode pin56,57 are LCD
function and disable UART function
External LCD disable and pin 56,57 are UART function
MD2-0
000
001
010
011
100
111
Test mode 0. All internal ROM/RAM are disable, DSP access
Instruction/data from external memory
Test mode 1. This mode is used to test internal memory all internal
memory can be access by external pin
Test mode 2. Internal long counter test. split these counter into several part
and GPIO0-7 show the result
Test mode 3. In this mode the instruction always from external
Test mode 4. Stack test. To test the stacks on PSQ. These stacks can be
directly access by memory pin
Normal mode
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